Our sun is the source of all life on Earth, making solar energy useful to us in many different ways.
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The sun creates two main types of energy &#; light and heat &#; that we can harness for numerous activities. These range from prompting photosynthesis in plants to creating electricity with photovoltaic (PV) cells to heating water and food.
So, what are some uses of solar energy? Let&#;s explore 51 common uses of sunlight in our daily lives.
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A rooftop solar installation can provide enough energy to power your home&#;s electricity and HVAC needs.
This solar energy application has gained a lot of momentum in recent years.
As solar panel costs decline and more people become aware of solar energy&#;s financial and environmental benefits, solar electricity is becoming increasingly accessible. While it&#;s still a tiny percentage of the electricity generated in the U.S. (2.8% as of ), solar electricity is growing rapidly.
Technicians usually install a distributed solar PV system on the rooftops of homes or businesses. These solar power systems generate electricity to offset the property owner&#;s usage and send any excess production to the electric grid.
A solar battery can connect to your solar power system. This setup lets you use solar after sundown and provides backup power during emergencies. Some homeowners may choose go as close to off-grid as possible with a solar home power system, but whether this works for you depends on several factors:
A solar generator typically refers to a combination of portable solar panels, a battery, a battery charger and an inverter. These all make up one device &#; the generator. With it, you can absorb solar energy, then store and distribute it when needed.
Solar generators are quite common on camping and boating trips. They also prove incredibly useful in emergency situations when you need backup power, like during a wide-scale, long-term power outage.
What&#;s more, a large generator (around 20 KW of storage capacity) can power an entire house for two to eight hours. But this depends on how much energy your home uses in terms of lighting, appliances and more.
Solar ventilation solutions such as solar attic fans can reduce the burden on your HVAC by helping cool your home during the summer. This may be a good option if you can&#;t install a solar PV system that offsets your home&#;s entire electricity use. One innovative product is the Solatube solar attic fan.
Solar ventilation technologies also apply to commercial and industrial use applications. These technologies can preheat a building&#;s air in cold climates, which reduces energy costs.
Homeowners can also use solar energy to power their water heaters. Two types of solar water heating systems exist:
Active solar water heaters use mechanical circulating pumps to move fluids between your rooftop solar panels and storage tank. In turn, these heaters have two different types:
Unlike active solar water heater systems, passive systems lack mechanical pumps. Instead, they have simple physics to thank because heat naturally rises. Unsurprisingly, this makes them much cheaper (albeit less efficient) than their active counterparts.
Passive solar water heaters also have two basic types:
Typical uses of solar space heating systems include powering radiant floors or pairing with a hot water or hot air system to heat homes.
Hot water solar systems use solar collectors to heat water (or another fluid, such as antifreeze). Circulating pumps move the water through the collector and into either a storage tank for later use or a heat exchanger to provide immediate warmth.
Liquid-based solar systems are complex, large-scale systems, so industries more commonly use them for commercial applications. However, they&#;re a home heating option.
Hot air solar systems work by circulating air that the sun has heated &#; such as by striking a wall or roof &#; throughout your home.
Technicians typically design homes that rely on these systems with siding or roofing materials that have excellent heat absorption properties. The systems also often use a circulating fan to distribute the heated air, which is where solar power comes in.
Some of the heating systems above rely on a pump to circulate water. Because your home&#;s electricity powers these pumps, they of course consume energy. And that&#;s energy you hoped to save by installing a solar-powered system in the first place.
To avoid this problem and save even more energy, you can install a solar-powered pump instead. Installing a battery means you can run your circulating pumps 24/7, regardless of sunlight.
Another solar energy application, especially in the southern and southwestern U.S., is heating swimming pools. The systems circulate water to a collector, where sunlight heats it. The system then pumps the heated water back into the pool.
With costs between $2,500 and $4,000 and a payback period of one to seven years, the U.S. Department of Energy says that &#;solar pool heating is the most cost-effective use of solar energy in many climates.&#;
Like with swimming pools, solar hot tubs work by using solar collectors.
You may be surprised to hear that solar energy can provide enough power to heat a hot tub. However, solar vacuum tubes have become so efficient that they can actually overheat your tub in the summer! To avoid this, homeowners in warmer climates often opt for flat plate panels &#; they get the job done without generating too much heat.
Of course, you may still need an auxiliary heater after sundown, so we recommend having your existing heater and solar heater work in tandem.
Solar can power just about any type of lighting you can imagine.
When you think of solar lighting, landscape lighting is probably the first thing to come to mind.
Solar landscape lighting technologies are inexpensive and readily available. You can find basic to high-end designs everywhere from your local hardware store to online shopping websites like Amazon.
These fixtures didn&#;t always provide the most light, but LED technology and enhanced batteries have changed that. Individual lighting fixtures now provide sufficient lighting with no wiring connections. Each lighting fixture has its own solar cell and rechargeable battery, which often generates enough energy to power your lights all night.
Solar lighting fixtures have become so reliable that they&#;re a great candidate for home security lighting as well.
Like with landscape lighting, the batteries connected to solar security lights typically generate enough energy to last them through the night. This is especially true with motion-sensor options, which save stored energy for when you really need it.
You can even find options with up to lumens. That&#;s enough light to illuminate your outdoor space and give your family peace of mind. Plus, water-resistant features mean you&#;ll never have to worry about product failure due to weather.
That&#;s right &#; you can take advantage of solar during the holidays with solar-powered Christmas lights. After all, everyone&#;s budgets feel strained this time of year &#; don&#;t let electricity costs to power Christmas lights add to that!
Good Housekeeping reviewed the seven best solar Christmas lights for , with options ranging from simple white string lights to uniquely shaped options.
If you thought lighting had to be located outdoors for solar to power it, guess again.
As with outdoor solar lights, these indoor fixtures have individual solar cells and rechargeable batteries. The difference is that you can often position the solar cells wherever they&#;ll get maximum sun exposure. And that means they&#;re not necessarily located in the same place as the lighting fixture itself.
Options range from desk lamps to pendant lighting. One especially innovative use of indoor solar lighting, featured on Mashable, is the Solatube skylight. It adds natural light while reducing energy use.
Appliances with low energy requirements may be able to rely on solar alone for power. Many larger appliances, such as refrigerators and washers and dryers, come in energy-efficient models that make them ideal for solar-powered homes.
Solar ovens, aka solar cookers, are a great way to cook when the power goes out, while camping or when you simply want to save on electricity costs. They work by gathering and trapping the sun&#;s thermal energy.
For example, think about your car with its windows rolled up on a hot sunny day. The windows let in and trap the sun&#;s thermal energy &#; and the air inside gets hot as a result. It&#;s no wonder we often say our cars feel like an oven on really hot days!
Various types of solar ovens exist, and you can make most of them yourself with a handful of simple materials. However, if DIY isn&#;t for you, you can also purchase one.
If you&#;re still toting an ice-packed cooler when you head to the park or campground, it&#;s time to bring you up to speed.
Solar-powered coolers are now the go-to product. They ensure your food stays cool for longer and eliminate the issue of melted ice (and soggy sandwiches). Portable power stations receive energy from solar panels and then transfer that energy to the cooler when it&#;s in use.
Here are your six best options for solar-powered coolers in , five of which function as both refrigerators and freezers.
Solar-powered Bluetooth speakers work just like the wireless speakers you&#;re used to. The difference is that you can charge them without electricity because they have built-in solar panels.
This makes solar speakers perfect for anyone who spends a lot of time outdoors or on the go, such as while camping or traveling.
Did you know that solar-powered calculators have been around since the s? That&#;s right &#; you&#;ve probably used one before!
Solar calculators have tiny solar cells mounted onto them, usually at the top of the device. Because calculators require so little energy to work, the solar cells mean you&#;ll likely never have to charge the battery.
When the power goes out or the sun goes down and you&#;re out of batteries, you&#;ll be glad you opted for a solar-powered flashlight or lantern. Some of the best options last up to 30 hours when fully charged, making them lifesavers in an emergency.
Wireless keyboards offer a much better typing experience because you can place your keyboard wherever it&#;s most comfortable. Plus, you don&#;t have to deal with cords.
But when you&#;re in the middle of an important project and the batteries die, you&#;ll wish you&#;d gone for a solar-powered keyboard. Here are 10 excellent solar keyboards to explore.
In our connected world, phones and tablets are always with us (and, let&#;s face it, often running low on battery). Portable solar PV chargers keep our personal electronic devices charged &#; no matter where we are.
The technology to integrate solar cells into our phones already exists, and it&#;s been in watches since the s. Researchers in Japan have even developed lightweight, water-resistant solar cells that we could someday sew into clothing to power devices.
Surprisingly, solar-powered security cameras don&#;t require any wires to function (unlike traditional ones). So rather than connecting to scrambled data cables, you can simply connect your solar security camera to Wi-Fi. And the cameras are also easy to install &#; you can put them virtually anywhere, whether an outlet is nearby or not.
Batteries aren&#;t needed, so you don&#;t have to worry about replacing them every few months. With traditional cameras, you often have to take them down to recharge or switch out batteries. This process not only adds hassle but also interrupts your video footage.
Lastly, solar-powered security cameras provide you with continuous recording. Compare that to traditional cameras, which often go into power-saving mode or record only if and when they detect motion. If you have a regular security camera, its motion detector must be on point &#; otherwise, you could have delays in your footage (or no footage at all).
Another savvy solar-powered appliance includes a new table umbrella design that features solar panels!
Solar panels attach to the top of the umbrella and charge its built-in battery whenever sunlight shines. At night, the solar batteries power LED lights on the underside of the umbrella.
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Thanks to these solar-powered umbrella lights, you can play cards, read, write and do much more at night under an illuminated tabletop in your backyard.
Garbage bins that transmit Wi-Fi are becoming increasingly common in major U.S. cities. But they&#;re also picking up internationally in places like Stockholm, Amsterdam, Dublin and Hamburg.
Bigbelly, a company that creates waste and recycling solutions for public spaces, founded the smart bins. And they&#;ve made a big impact on the cleanliness and Wi-Fi availability of city life.
These solar-powered trash bins have built-in solar panels that generate energy to enable Wi-Fi. Then, passersby can take advantage of Wi-Fi hotspots while commuting.
Granted, it might not seem ideal to stand next to a heaping-full, steaming trash can in the midst of summer. But free Wi-Fi never hurts &#; especially when green energy fuels it.
Solar landscape lighting already goes a long way toward beautifying your outdoor space, but you can do even more with solar energy.
From solar-powered light-up wind chimes to colorful garden ornaments shaped like animals, insects, flowers and more &#; you&#;re sure to find solar garden decorations that suit your aesthetic.
For such a straightforward product, solar-powered bird feeders come in a staggering range of options.
On the simpler (and more affordable) end, you have bird feeders that are essentially solar-powered outdoor lights with integrated feeders. Their solar cells charge their batteries during the day, and at night they light up to provide ambience.
On the higher end are products like the Bird Buddy. The Bird Buddy is a smart bird feeder with an integrated camera that can notify you of your bird visitors via a smartphone app. It even captures and organizes photos for you to review and share, making it a bird lover&#;s dream.
And of course, its detachable solar panel roof powers all these features.
What&#;s even more Zen than the calming sound of water trickling from your garden&#;s water fountain? That&#;d be knowing the fountain isn&#;t adding to your electricity bill because the sun&#;s energy powers it.
And don&#;t worry &#; solar-powered fountains come in a broad array of styles and sizes, so you&#;re sure to find the perfect fit for your garden.
We know what you&#;re thinking. Irrigation timers don&#;t sound particularly aesthetically pleasing, but they do help keep your yard lush, so we think they count.
The beauty of solar-powered sprinkler controllers is that you can automate your irrigation without wiring &#; a standard garden hose and water source are all you need.
Here are some of the best options out there to get you started.
Most people are familiar with standard pool-surrounding lighting. But other great features to add to your home pool are lights on its floor and sides &#; in other words, completely submerged lights.
Throughout the day, the submerged lights absorb energy from the sun, which they then store in batteries. Once nighttime comes, the lights illuminate and add ambience to your pool. What better way to enjoy a night swim than with a fully lit pool?
Manufacturers can also integrate solar into some of the products you wear and use every day. As a result, you have power on the go.
Charging batteries is always a chore, but that&#;s especially true with watches. Who has spare watch batteries lying around?
Enter solar-powered watches. Both environmentally friendly and long-lasting, solar watches are becoming increasingly popular. And with more and more watch brands going solar, you have a plethora of styles to indulge in, ranging from casual to dressy to sporty.
The idea behind solar backpacks is simple: We often need to charge our electronics &#; and lack access to charge them &#; when we&#;re out and about. So why not integrate a charger directly into an item we all use while we&#;re hard at it?
With small built-in solar panels that store energy in a battery pack, solar backpacks are a nifty solar energy invention that can charge your electronic devices from anywhere. Whether you&#;re an avid hiker, camper, photographer or world traveler, they&#;re sure to come in handy.
Surprisingly, solar-powered Bluetooth headphones are relatively new to the market. Urbanista launched a pair in , and Adidas followed suit in . Both options are self-charging thanks to solar cells built into the headband, and both offer 80 hours of battery life.
To boot, Urbanista launched solar-powered wireless earbuds using Powerfoyle technology in August . Along with solar-powered charging, the earbuds have noise-canceling capabilities. But unlike solar-powered headphones, the solar cells aren&#;t in the actual earbuds &#; they&#;re in the charging case.
A company called Blue Tiger also recently released the &#;world&#;s first solar-powered communications headset.&#; The headset uses Powerfoyle cell technology and has a noise-canceling boom mic. So in short, your solar-powered listening options abound.
Solar power has made great strides in the outdoor industry, so it&#;s unsurprising that you can buy solar-powered bike helmets. But just what their batteries power might surprise you.
Some options, like POC&#;s Omne Eternal, simply generate energy to power a rear light for safety. WertelOberfell&#;s ESUB Tracks helmet, however, goes much further:
Solar textiles may not be on the market yet, but they&#;re in the works. And they certainly represent an innovative new use of solar.
Scientists are working to weave solar cells into fabrics such as clothing, car seats, curtains and tents. In October of , researchers at Nottingham Trent University proved these textiles can charge devices such as mobile phones and smartwatches. They believe electronic textiles &#;have the potential to change people&#;s relationship with technology,&#; and we agree.
From residential use to public and commercial uses, solar power is transforming the transportation sphere.
Electric vehicles (EVs) are growing in popularity, with sales making up 5.6% of the total auto market at the end of &#; up from 2.7% at the end of . And with EVs&#; growing popularity, people need an eco-friendly way to charge them.
That&#;s where home solar EV charging comes in. Installing solar panels to charge your EV means you can avoid sourcing energy from the grid &#; and thus save big on your electricity bill.
Check out our blog on how many solar panels you need to power your EV to learn more.
You can power your EV with an existing rooftop solar installation, but some homeowners are constructing solar carports specifically to power their electric vehicles (EVs). As an added benefit, these structures protect your EV (and your investment) from the weather.
Tiny homes are great candidates for solar power because they have lower energy needs. They have less space for &#; well &#; stuff that requires electricity.
Similarly, some mobile homes are compatible with solar systems. However, if your mobile home is located in a community that uses its own septic system or runs off the grid, you&#;ll want to check with the owners association before moving forward.
We already touched on residential solar EV charging, but there are also solar-powered public charging stations for EVs. These stations are ideal for quick charging when you&#;re on the move. You&#;ll often find them paired with parking lots so drivers can charge their vehicles while parked.
As their name suggests, solar panel parking lots are essentially solar panel-covered parking lots. While parking lots can use ground-mounted systems, they typically use parking lot structures to free up ground space for vehicles.
Parking lots covered with solar panels are growing in popularity thanks to the many benefits they provide. These perks include charging parked vehicles and even providing energy for surrounding buildings.
You can also find solar energy in public transportation via solar bus shelters.
Solar bus shelters have solar panels installed either on the shelter&#;s roof or nearby. They generate power for advertising and lighting, and passengers can charge small devices. Options like that from EnGoPlanet even have a built-in bench and charging station.
With those kinds of benefits, waiting for the bus doesn&#;t sound so bad.
Solar benches take the same concept as solar bus shelters and apply it to benches used in parks, airports and just about anywhere people sit. Also like solar bus stops, solar benches provide a spot for people to relax and charge their phones, as well as illumination after sundown.
Solar street lights play an important role in public transportation, particularly in areas without reliable access to the grid. These lights give such areas an alternative energy source. And that not only increases safety and peace of mind but also reduces the city&#;s electricity bills.
Of course, you can also purchase a solar street light for your own driveway or street.
Solar energy has practically limitless potential in industrial applications, especially in industries with high equipment requirements and electricity needs. Powering these needs with solar can play a significant role in reducing costs and improving bottom lines.
Solar tents are just like regular tents, with one key difference. You guessed it: They&#;re solar-powered. They have specially designed solar panels on the outside to generate power for devices.
Whether you need to charge your , laptop, digital camera, portable speaker, tablet or other device, you can use the power your tent generates.
However, if some of your items are already solar-powered (like the appliances and wearables we mentioned earlier), then you&#;ll have more solar power available for items needing external power sources!
Imagine being able to produce your own water &#; well, sort of. With Source Hydropanels, you can essentially generate your own water out of thin air (and sunlight).
A professional can install this exciting-yet-expensive technology at residential homes, commercial worksites, schools and more. People have also used it as a bike attachment for professional and recreational athletes to use during workouts.
The technology works by absorbing sunlight via solar cells in the panels. Then, the generated energy cools the air enough to transform it into water. With innovation like this, having clean, accessible drinking water on a whim is a not-so-distant reality!
Solar movie theaters are another great use of solar power. Because theaters are a bit energy-intensive, the fact that solar energy can fully power them is a big plus.
For example, Sol Cinema (based in South Wales) is a fully solar-powered theater. However, it&#;s also the smallest movie theater in the world!
It can hold an audience of eight adults, who enjoy usherette service, a red-carpet entrance and popcorn.
Fortunately, solar-powered internet cafes are on the rise &#; and ZubaBox is a major part of that mix.
A ZubaBox is a fully solar-powered internet cafe constructed from shipping containers. It was brought to Kenya by its inventors, making its premiere in Kakuma.
Now, ZubaBox cafes are making their way to locations across Africa, thanks to the partnership between AMREF and U.K.-registered charity Computer Aid International.
Beta.ray, an invention from architect Andre Broesell, sheds light on a new way of generating solar power.
The massive device includes a tall foundation with a crystal globe that functions as a hybrid collector. The globe tracks and moves with the sun, and it can concentrate both sunlight and moonlight at nearly 10,000 times more intensely than traditional solar devices.
So whether it absorbs light during the sunniest time of day, early morning, late evening, during an overcast spell or on rainy days, it squeezes the most energy out of each ray.
Renewable energy is already becoming a familiar part of our lives. Innovation will continue to drive new solar energy technologies that improve our daily lives and power a cleaner world. How many more uses of solar energy does the future hold? We&#;re excited to find out!
The time is now to stop renting electricity from the utility. Put solar panels on your house and make your own clean power to get short-term and long-term financial benefits while helping to protect the environment.
Looking for solar repair? Freedom Solar&#;s experienced team is ready to maintain, repair or upgrade your solar system.
If you want to learn more, please visit our website Solar Integrated Solutions.